56031564 has 24 divisors (see below), whose sum is σ = 132693568. Its totient is φ = 18398160.

The previous prime is 56031553. The next prime is 56031571. The reversal of 56031564 is 46513065.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34042 + ... + 35649.

Almost surely, 2^56031564 is an apocalyptic number.

It is an amenable number.

56031564 is an abundant number, since it is smaller than the sum of its proper divisors (76662004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56031564 is a wasteful number, since it uses less digits than its factorization.

56031564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69765 (or 69763 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 56031564 is about 7485.4234349167. The cubic root of 56031564 is about 382.6581037202.

The spelling of 56031564 in words is "fifty-six million, thirty-one thousand, five hundred sixty-four".